Home / 178,499.13-267,665.63-66,174.81

Finding the Fourth Proportional to 178,499.13, 267,665.63 and 66,174.81

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Solution

The fourth proportional to 178,499.13, 267,665.63 and 66,174.81 is: 99,231.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,499.13 : 267,665.63 = 66,174.81 : x
  2. Step 2: Convert to fraction form
    178,499.13/267,665.63 = 66,174.81/x
  3. Step 3: Cross multiply
    178,499.13x = 267,665.63 × 66,174.81
  4. Step 4: Simplify right side
    178,499.13x = 17,712,721,877.91
  5. Step 5: Solve for x
    x = 17,712,721,877.91/178,499.13
  6. Step 6: Final answer
    x = 99,231.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.